JPS61145170U - - Google Patents

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は本考案の一実施例を示すバルブの断面
図、第２図は本考案の二実施例を示すバルブの断
面図、第３図は本考案の三実施例を示すバルブの
断面図、第４図は本考案の四実施例を示すバルブ
の断面図、第５図は本考案の弁体又は弁座体の超
弾性合金材の押力一歪の関係を示す線図、第６図
は従来のバルブの断面図である。 １……弁本体、２……通路、３……弁体、４…
…弁座体、６……第１の接合面、７……第２の接
合面、８……段部、９……通孔、１１……弁本体
、１２……通路、１３……弁面、１８……段部、
２０……ロツド、２１……シリンダヘツド、２３
……排気ポート、２４……バルブガイド、２５…
…弁頭、２６……連接部、２８……段部、３０…
…弁本体、３１……通路、３２……ロツド、３３
……弁座、５０……弁本体、５１……通路、５２
……弁体、５３……ばね、５４……弁座体、５６
……Ｏリング、５７……環状溝。 Fig. 1 is a sectional view of a valve showing one embodiment of the invention, Fig. 2 is a sectional view of a valve showing two embodiments of the invention, and Fig. 3 is a sectional view of a valve showing a third embodiment of the invention. , FIG. 4 is a sectional view of a valve showing four embodiments of the present invention, FIG. 5 is a diagram showing the relationship between pushing force and strain of the superelastic alloy material of the valve body or valve seat body of the present invention, and FIG. The figure is a sectional view of a conventional valve. 1... Valve body, 2... Passage, 3... Valve body, 4...
... Valve seat body, 6 ... First joint surface, 7 ... Second joint surface, 8 ... Step portion, 9 ... Through hole, 11 ... Valve body, 12 ... Passage, 13 ... Valve Surface, 18... step part,
20... Rod, 21... Cylinder head, 23
...Exhaust port, 24...Valve guide, 25...
...Valve head, 26...Connection part, 28...Step part, 30...
... Valve body, 31 ... Passage, 32 ... Rod, 33
... Valve seat, 50 ... Valve body, 51 ... Passage, 52
... Valve body, 53 ... Spring, 54 ... Valve seat body, 56
...O-ring, 57...annular groove.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 弁体３と弁座体４とを有して両者が協働して開
閉弁するバルブにおいて、前記弁体３又は／及び
弁座体４の接合面を超弾性合金材により構成した
ことが特徴であるバルブ。 A valve having a valve body 3 and a valve seat body 4, which open and close in cooperation with each other, is characterized in that the joint surface of the valve body 3 and/or the valve seat body 4 is made of a superelastic alloy material. Valve that is.